Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

* Makefile.in (fork-child.o): Update.

Browse Source 
* NEWS: Document "set exec-wrapper" and the gdbserver --wrapper
	argument.  Gather all gdbserver features together.
	* fork-child.c (exec_wrapper): New variable.
	(fork_inferior): Use it.
	(startup_inferior): Skip an extra trap if using "set exec-wrapper".
	(unset_exec_wrapper_command, _initialize_fork_child): New.

	* gdb.texinfo (Starting): Document "set exec-wrapper".
	(Server): Document gdbserver --wrapper.

	* server.c (wrapper_argv): New.
	(start_inferior): Handle wrapper_argv.  If set, expect an extra
	trap.
	(gdbserver_usage): Document --wrapper.
	(main): Parse --wrapper.
This commit is contained in:
Daniel Jacobowitz
2008-03-10 23:14:06 +00:00
parent 42e344a77c
commit ccd213ac7e
8 changed files with 201 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
gdb/gdbserver/server.c
View File

@@ -41,7 +41,7 @@ static int attached;
static int response_needed;
static int exit_requested;
static char **program_argv;
static char **program_argv, **wrapper_argv;
/* Enable miscellaneous debugging output. The name is historical - it
was originally used to debug LinuxThreads support. */
@@ -83,16 +83,34 @@ target_running (void)
}
static int
start_inferior (char *argv[], char *statusptr)
start_inferior (char **argv, char *statusptr)
{
char **new_argv = argv;
attached = 0;
if (wrapper_argv != NULL)
{
int i, count = 1;
for (i = 0; wrapper_argv[i] != NULL; i++)
count++;
for (i = 0; argv[i] != NULL; i++)
count++;
new_argv = alloca (sizeof (char *) * count);
count = 0;
for (i = 0; wrapper_argv[i] != NULL; i++)
new_argv[count++] = wrapper_argv[i];
for (i = 0; argv[i] != NULL; i++)
new_argv[count++] = argv[i];
new_argv[count] = NULL;
}
#ifdef SIGTTOU
signal (SIGTTOU, SIG_DFL);
signal (SIGTTIN, SIG_DFL);
#endif
signal_pid = create_inferior (argv[0], argv);
signal_pid = create_inferior (new_argv[0], new_argv);
/* FIXME: we don't actually know at this point that the create
actually succeeded. We won't know that until we wait. */
@@ -109,6 +127,33 @@ start_inferior (char *argv[], char *statusptr)
atexit (restore_old_foreground_pgrp);
#endif
if (wrapper_argv != NULL)
{
struct thread_resume resume_info;
int sig;
resume_info.thread = -1;
resume_info.step = 0;
resume_info.sig = 0;
resume_info.leave_stopped = 0;
sig = mywait (statusptr, 0);
if (*statusptr != 'T')
return sig;
do
{
(*the_target->resume) (&resume_info);
sig = mywait (statusptr, 0);
if (*statusptr != 'T')
return sig;
}
while (sig != TARGET_SIGNAL_TRAP);
return sig;
}
/* Wait till we are at 1st instruction in program, return signal
number (assuming success). */
return mywait (statusptr, 0);
@@ -1002,7 +1047,8 @@ gdbserver_usage (void)
"HOST:PORT to listen for a TCP connection.\n"
"\n"
"Options:\n"
" --debug\t\tEnable debugging output.\n");
" --debug\t\tEnable debugging output.\n"
" --wrapper WRAPPER --\tRun WRAPPER to start new programs.\n");
}
#undef require_running
@@ -1046,6 +1092,23 @@ main (int argc, char *argv[])
attach = 1;
else if (strcmp (*next_arg, "--multi") == 0)
multi_mode = 1;
else if (strcmp (*next_arg, "--wrapper") == 0)
{
next_arg++;
wrapper_argv = next_arg;
while (*next_arg != NULL && strcmp (*next_arg, "--") != 0)
next_arg++;
if (next_arg == wrapper_argv || *next_arg == NULL)
{
gdbserver_usage ();
exit (1);
}
/* Consume the "--". */
*next_arg = NULL;
}
else if (strcmp (*next_arg, "--debug") == 0)
debug_threads = 1;
else